<template>
  <div class="book-management">
    <h1>图书管理系统</h1>
    
    <!-- 添加图书表单 -->
    <el-form :model="newBook" label-width="80px" class="add-form">
      <el-form-item label="书名">
        <el-input v-model="newBook.title"></el-input>
      </el-form-item>
      <el-form-item label="作者">
        <el-input v-model="newBook.author"></el-input>
      </el-form-item>
      <el-form-item label="数量">
        <el-input-number v-model="newBook.copies" :min="1"></el-input-number>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" @click="addBook">添加图书</el-button>
      </el-form-item>
    </el-form>
    
    <!-- 图书表格 -->
    <el-table :data="books" style="width: 100%" border>
      <el-table-column prop="id" label="ID" width="80"></el-table-column>
      <el-table-column prop="title" label="书名"></el-table-column>
      <el-table-column prop="author" label="作者"></el-table-column>
      <el-table-column prop="copies" label="数量" width="100"></el-table-column>
      <el-table-column label="操作" width="120">
        <template slot-scope="scope">
          <el-button size="mini" type="danger" @click="deleteBook(scope.row.id)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
  </div>
</template>

<script>
export default {
  data() {
    return {
      books: [
        {"id": 1, "title": "Python编程", "author": "John Doe", "copies": 4},
        {"id": 2, "title": "历史的秘密", "author": "Jane Smith", "copies": 3},
        {"id": 3, "title": "宇宙探索", "author": "Emily Brown", "copies": 2},
        {"id": 4, "title": "健康生活", "author": "Mike Johnson", "copies": 5},
        {"id": 5, "title": "数学之美", "author": "Sarah Lee", "copies": 4},
        {"id": 6, "title": "艺术欣赏", "author": "David White", "copies": 3},
        {"id": 7, "title": "编程入门", "author": "Alice Green", "copies": 2},
        {"id": 8, "title": "科幻世界", "author": "Frank Black", "copies": 5},
        {"id": 9, "title": "自然奇观", "author": "Grace Blue", "copies": 4},
        {"id": 10, "title": "音乐之声", "author": "Tom Red", "copies": 3}
      ],
      newBook: {
        id: 0,
        title: '',
        author: '',
        copies: 1
      }
    }
  },
  methods: {
    addBook() {
      if (!this.newBook.title || !this.newBook.author) {
        this.$message.error('请输入书名和作者');
        return;
      }
      
      // 生成新ID
      const maxId = Math.max(...this.books.map(book => book.id));
      this.newBook.id = maxId + 1;
      
      // 添加新书
      this.books.push({...this.newBook});
      
      // 重置表单
      this.newBook = {
        id: 0,
        title: '',
        author: '',
        copies: 1
      };
      
      this.$message.success('图书添加成功');
    },
    deleteBook(id) {
      this.$confirm('确定要删除这本图书吗?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        this.books = this.books.filter(book => book.id !== id);
        this.$message.success('删除成功');
      }).catch(() => {
        this.$message.info('已取消删除');
      });
    }
  }
}
</script>

<style scoped>
.book-management {
  padding: 20px;
  max-width: 1000px;
  margin: 0 auto;
}
.add-form {
  margin-bottom: 20px;
}
h1 {
  text-align: center;
  margin-bottom: 30px;
}
</style>